만성 대동맥판 폐쇄부전증 환자에서 대동맥판 치환술후 좌심실 용적 및 심전도 변화

Other Titles
Changes of Left Ventricular Volume, Mass and Functions after Aortic Valve Replacement
Authors
김윤년김기식송영성윤병헌윤덕구김권배
Department
Dept. of Internal Medicine (내과학)
Issue Date
1990
Citation
Keimyung Medical Journal, Vol.9(2) : 248-254, 1990
Abstract
Left ventricular(LV) hypertrophy is correlated with left ventricular myocardial mass, which occurs after long-standing LV over-loading. It is expected that surgical correction of chronic aortic regurgitation(AR) changes LV loading and then come changes in the LV function, dimension and myocardial mass. Serial electrocardiographic, echocardiographic LV studies were performed in 25 patients before and after aortic valve replacement(AVR) for chronic AR. Electrocariographic voltages were reduced significantly in 3 months after AVR(from 58.13±29.44 to 44.73±13.97(mm), p<0.05). Left ventricular systolic dimension was lessened markedly in the first 3 months after operation (from 4.55±105 to 3.38+0.04(cm), p<0.05), but diastolic dimension was changed in the first 7 days(from 6.90±1.18 to 5.34±0.96(cm), p<0.05) The thickness of interventrcular septum and LV posterior wall increased after operation but they were not significant statistically. Ejection fraction decreased in the first 7 days after AVR(to 48.88±15.67(%), P<0.05), after then recovered as in the preoperative state. Muscle cross-sectional area was reduced at early post operative period(from 27.38±6.74 to 24.26±5.60(cm²), p<0.05) and increased thereafter. Thus, successful AVR for chronic AR results in the normalization of LV function and a decrease in ventricula₁ hypertrophy, while these changes in the LV function and dimension occur in early postop period.
Keywords
Aortic valve replacementLeft ventricular function
URI
http://kumel.medlib.dsmc.or.kr/handle/2015.oak/14631
Appears in Collections:
1. Journal Papers (연구논문) > 1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
2. Keimyung Medical Journal (계명의대 학술지) > 1990
Keimyung Author(s)
김윤년; 김기식; 윤덕구; 김권배
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